Clay Township (Lancaster County) is a township in Lancaster County, Pennsylvania, home to about 6,948 people across 22 square miles. It has no ZIP code of its own: it’s part of 17073, 17517, 17522, 17543 and 17578.
Homes sold for a median of $204 per square foot across 5 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Millcreek Township (Lebanon County); part is in Clay Township (Lancaster County)
Mostly Denver; part is in Clay Township (Lancaster County)
Mostly Ephrata Borough; part is in Clay Township (Lancaster County)
Mostly Warwick Township (Lancaster County); part is in Clay Township (Lancaster County)
Mostly East Cocalico; part is in Clay Township (Lancaster County)
Each card is that ZIP code’s whole market, including any part outside Clay Township (Lancaster County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Clay Township (Lancaster County)’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Philadelphia International Airport (PHL)56 miles away |
|---|---|
| Closer regional airport | Lancaster Airport (LNS)7 miles away |
| Nearest city of 250,000+ | Philadelphia, PA58 miles away |
Straight-line distances from the center of Clay Township (Lancaster County); driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Clay Township (Lancaster County) had 6,857 residents in the 2020 census, up 33% since 2000.
It’s the 410th largest of 2,568 towns in Pennsylvania by population.
Lancaster County grew from 159,241 residents in 1900 to 552,984 in 2020.
Lancaster County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 22°F. About 42 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Lancaster Ap, PA weather station (7 miles away).
249,379 jobs at 13,776 businesses in Lancaster County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
825 doctors and other health care providers list an office in Clay Township (Lancaster County)’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 122 |
|---|---|
| Specialist doctors | 187 |
| Dentists | 45 |
| Nurse practitioners and physician assistants | 156 |
| Mental health providers | 140 |
| Physical and occupational therapists | 133 |
| Optometrists | 19 |
| Chiropractors | 23 |
| Pharmacies | 25 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (21 nearby)
Grocery stores (5 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums (4 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 3 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Warwick SD, Eastern Lancaster County SD, Ephrata Area SD and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Kissel Hill El SchLititz | Pre-K–6 | 579 | Public | 6.0 mi |
| Brecknock El SchDenver | K–6 | 441 | Public | 9.4 mi |
| Clay El SchEphrata | K–4 | 377 | Public | 2.0 mi |
| Denver El SchDenver | K–5 | 460 | Public | 4.0 mi |
| Fulton El SchEphrata | K–4 | 297 | Public | 2.4 mi |
| Highland El SchEphrata | K–4 | 438 | Public | 2.1 mi |
| John Beck El SchLititz | K–6 | 432 | Public | 4.0 mi |
| John R Bonfield El SchLititz | K–6 | 446 | Public | 5.0 mi |
| Lititz El SchLititz | K–6 | 439 | Public | 5.8 mi |
| Reidenbaugh El SchLititz | K–4 | 488 | Public | 8.0 mi |
| Ephrata Intermediate SchEphrata | 5–6 | 568 | Public | 1.4 mi |
| Cocalico MSDenver | 6–8 | 617 | Public | 3.9 mi |
| Ephrata MSEphrata | 7–8 | 601 | Public | 1.4 mi |
| Warwick MSLititz | 7–9 | 568 | Public | 6.4 mi |
| Cocalico SHSDenver | 9–12 | 991 | Public | 3.6 mi |
| Ephrata SHSEphrata | 9–12 | 1,347 | Public | 1.7 mi |
| Lancaster County Career and Technology Center - BrownstownEphrata | 9–12 | 25 | Career and Technical | 4.6 mi |
| Warwick SHSLititz | 9–12 | 1,241 | Public | 6.2 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Hinkletown Mennonite SchoolEphrata | Pre-K–12 | 249 | Mennonite | 6.7 mi |
| Lititz Christian SchoolLititz | Pre-K–12 | 197 | Christian (no specific denomination) | 6.3 mi |
| Our Mother of Perpetual Help Catholic SchoolEphrata | Pre-K–8 | 146 | Roman Catholic | 2.3 mi |
| Gehmans Mennonite SchoolDenver | K–8 | 179 | Mennonite | 7.9 mi |
| New Haven Mennonite SchoolLititz | K–8 | 128 | Mennonite | 5.1 mi |
| Pleasant Valley Mennonite SchoolEphrata | K–8 | 91 | Mennonite | 4.0 mi |
| SheaffersEphrata | K–8 | 35 | Mennonite | 6.4 mi |
| Brickerville Mennonite SchoolLititz | 1–10 | 81 | Mennonite | 3.8 mi |
| Ephrata Mennonite SchoolEphrata | 1–12 | 353 | Mennonite | 2.1 mi |
| Hahnstown Mennonite SchoolEphrata | 1–9 | 85 | Mennonite | 5.4 mi |
| Hammercreek Amish SchoolLititz | 1–8 | 25 | Amish | 3.3 mi |
| Millbach Mennonite SchoolNewmanstown | 1–10 | 59 | Mennonite | 9.4 mi |
| Springville Mennonite SchoolEphrata | 1–9 | 134 | Mennonite | 1.5 mi |
| Wildlife View Amish SchoolNewmanstown | 1–8 | 27 | Amish | 6.9 mi |
| Lititz Area Mennonite SchoolLititz | 2–12 | 10 | Mennonite | 4.3 mi |
| Linden HallLititz | 6–12 | 99 | Nonsectarian | 5.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Warwick Township (Lancaster County), Manheim, Ephrata Borough, Lititz, Ephrata Township, West Earl, West Cocalico, Penn Township (Lancaster County), East Cocalico, Denver, Elizabeth Township (Lancaster County), Brecknock Township (Lancaster County), Millcreek Township (Lebanon County), Heidelberg Township (Lebanon County) and Earl Township (Lancaster County).
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.